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23422010105550 = 23527372102115959
BaseRepresentation
bin1010101001101010111001…
…00101111001111011001110
310001221010022011012100210010
411110311130211321323032
511032221234041334200
6121451531202454050
74635120150004650
oct524653445717316
9101833264170703
1023422010105550
117510245104191
122763413964326
13100b8bc401864
145ad8ba5686d0
152a93d844b150
hex154d5c979ece

23422010105550 has 288 divisors, whose sum is σ = 68298443619840. Its totient is φ = 5203482508800.

The previous prime is 23422010105539. The next prime is 23422010105551. The reversal of 23422010105550 is 5550101022432.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23422010105551) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1467628471 + ... + 1467644429.

It is an arithmetic number, because the mean of its divisors is an integer number (237147373680).

Almost surely, 223422010105550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23422010105550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34149221809920).

23422010105550 is an abundant number, since it is smaller than the sum of its proper divisors (44876433514290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23422010105550 is a wasteful number, since it uses less digits than its factorization.

23422010105550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17076 (or 17034 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 23422010105550 its reverse (5550101022432), we get a palindrome (28972111127982).

The spelling of 23422010105550 in words is "twenty-three trillion, four hundred twenty-two billion, ten million, one hundred five thousand, five hundred fifty".